Exam 1: Introduction

The variable "age at last birthday" (attributes: 0 to 19, 20 to 39, 40 to 59, 60 to 79, 80 to 99, 100 or older) has what level of measurement?

A researcher wants to know how annual number of work days missed is affected by a worker's age. Of course, other things may also affect annual number of work days missed so the researcher will also take into account the worker's gender and number of children under the age of 18. What is the dependent variable here?

For the following pair of variables, which is the more likely DEPENDENT variable: current residence and place of birth?

What are the three questions to ask about a variable's attributes in order to determine that variable's level of measurement?

The variable "years of formal schooling successfully completed" (categories: 0, 1 to 7, 8, 9 to 11, 12, 13 to 15, 16, 17 or more) has what level of measurement?

A researcher examines the effect of playing organized sports on a child's grades in school. Since grades are affected by many things besides involvement in organized sports, the researcher will also take into account the educational level and the socioeconomic status of the parents. What is the dependent variable?

What are some types of non-probability sampling and some types of probability sampling? Clearly indicate which are which.

For the following pair of variables, which is the more likely INDEPENDENT variable: occupation and race?

The variable "favorite color" (attributes: red, blue, yellow, other) has what level of measurement?

"Our data set consists of 32 cases. Each case represents a different municipal police department. These departments were randomly selected from all the municipal police departments in the state of Connecticut." The unit of analysis for this study is

What is the difference between a variable's theoretical definition and its operational definition?

In the statement "Watching violence on TV causes an increase in a person's tolerance for aggression," the independent variable is

The variable "percent of a police department's officers who are female" (attributes: 0%, 1%, 2%, 3% … 99%, 100%) has what level of measurement?

Which of the following is a probability sampling technique?

What are the three levels of measurement used in the text?

A researcher wants to measure the variable "favorite type of music" at the nominal level. Provide a set of attributes for the variable.

The variable "cause of death" (categories: stroke, cancer, heart disease, accident, other) has what level of measurement?

Identify the independent variable and the dependent variable in the expression "the early bird catches the worm." Be clear which is which.

A critic charges that IQ tests don't really measure what they claim to measure. They say they measure natural intelligence but they really measure knowledge of the dominant culture of a society. This critic is claiming IQ tests lack

A critic charges that IQ tests are inconsistent. You take the test today and get one score but, if you retake the test tomorrow, you get a totally different score. This critic is claiming IQ tests lack